(3bVGjG GdKbGaI GdYQHjI GdYQHjI GdeYGUQI (B/s - (3eMj GdOjf, UGHQs ((3JhfS (B:s (3GdOGQ GdYQHjI ddcJGH ,s, 1983)
Keywords: (3GdGef GdKbGaj s; (3fTQ GddZI GdYQHjIs; (3GdKbGaI GdYQHjI s